Known Vulnerabilities for Log4net by Apache

Listed below are 9 of the newest known vulnerabilities associated with "Log4net" by "Apache".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-105244 json Improper Encoding or Escaping of Output vulnerability in the RemoteSyslogAppender of Apache log4net. Every character outside... Not Provided 2026-10-06 2026-10-07
CVE-2026-105243 json Insufficient Logging vulnerability in the EventLogAppender of Apache log4net. Long messages were truncated to a fixed size t... Not Provided 2026-10-06 2026-10-07
CVE-2026-105242 json Improper Handling of Exceptional Conditions vulnerability in the aspnet-request pattern converter of Apache log4net. Reading... Not Provided 2026-10-06 2026-10-07
CVE-2026-105241 json Improper Handling of Unicode Encoding vulnerability in the SmtpPickupDirAppender of Apache log4net. Content that the mail fi... Not Provided 2026-10-06 2026-10-07
CVE-2026-105240 json Improper Neutralization of Null Byte or NUL Character vulnerability in the OutputDebugStringAppender of Apache log4net. A NU... Not Provided 2026-10-06 2026-10-07
CVE-2026-105239 json Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net. A NUL charact... Not Provided 2026-10-06 2026-10-07
CVE-2026-40021 json Not Provided 2026-04-10 2026-04-22
CVE-2018-1285 json Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This all... 9.8 - CRITICAL 2020-05-11 2023-11-07
CVE-2006-0743 json Not Provided 2006-03-09 2025-04-03

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationApacheLog4net2.0.8
ApplicationApacheLog4net2.0.7
ApplicationApacheLog4net2.0.6
ApplicationApacheLog4net1.2.9_beta
ApplicationApacheLog4net1.2.15
ApplicationApacheLog4net1.2.13
ApplicationApacheLog4net1.2.12
ApplicationApacheLog4net1.2.11
ApplicationApacheLog4net1.2.10
ApplicationApacheLog4net-

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